Since version 4 of CentOS, SELinux is providing an additional layer of security to the Linux distribution. CentOS describes it like this: “Security-Enhanced Linux (SELinux) is a mandatory access control (MAC) security mechanism implemented in the ker
SSH修改端口报错 error: Bind to port xxx on 0.0.0.0 failed: Permission denied.解决方法Linux修改ssh Port端口后,无法启动ssh访问。具体修改 /etc/ssh/sshd_config 里的 Port 端口,然后查日志后出现:error: Bind to port 77 on 0.0.0.0 failed: Permission denied.最后发现是SELinux的问题,关闭SELinux。关闭SELinu